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OSN to QSI: distance & flight time
Osan (Osan Air Base) → Moshi (Moshi Airport)
6,342 mi
10,207 km · 5,511 nm
12h 54m
estimated nonstop flight time
—
time difference · heading west
See live OSN→QSI fares Phone-only fares on this route — call free
Flight time details
6,342 miles nonstop takes roughly 12h 54m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- QSI — Moshi Airport · Moshi, Tanzania
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Near QSI
- JRO · Kilimanjaro International Airport18 mi away
- ARK · Arusha Airport48 mi away
- ASV · Amboseli Airport50 mi away
- ILU · Kilaguni Airport60 mi away
Frequently asked questions
How far is OSN from QSI?
The flight distance from Osan (OSN) to Moshi (QSI) is 6,342 miles (10,207 km, 5,511 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to QSI?
A nonstop flight takes about 12h 54m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from OSN to QSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–QSI that never appear on search engines, with no booking fees.